Revision history for Graph-D3
        
0.03  2013-04-14 11:39:11 JST
        - Added hierarchical edge bundling.

0.02  2013-04-13 13:13:44 JST
        - Update doc to see more neet&tidy.

0.01  2013-04-13 12:49:37 JST
        - Initial release
